Polaris Industries (PII) had the highest return between 1987 and 1989 by a US stock, returning 7,791.4%.

ASSET	YEARS	% RETURN
Polaris Industries (PII)	1987-1989	7,791.38%
Nike (NKE)	1987-1989	1,570.57%
Aegon NV ADR (AEG)	1987-1989	1,549.12%
Bridgford Foods (BRID)	1987-1989	1,008.63%
Oceaneering International (OII)	1987-1989	855.63%
Oracle (ORCL)	1987-1989	801.75%
RCM Technologies (RCMT)	1987-1989	795.94%
Natures Sunshine Products (NATR)	1987-1989	718.53%
Badger Meter (BMI)	1987-1989	683.74%
Barnwell Industries (BRN)	1987-1989	582.48%
Telefonaktiebolaget LM Ericsson B ADR (ERIC)	1987-1989	581.87%
Weatherford International (WFRD)	1987-1989	553.85%
World Kinect (WKC)	1987-1989	533.25%
US Energy (USEG)	1987-1989	518.18%
Telephone and Data Systems (TDS)	1987-1989	488.96%
Lumen Technologies (LUMN)	1987-1989	444.66%
Valmont Industries (VMI)	1987-1989	439.1%
Hurco Companies (HURC)	1987-1989	429.93%
Utah Medical Products (UTMD)	1987-1989	422.06%
Crown Crafts (CRWS)	1987-1989	415.42%
CVB Financial (CVBF)	1987-1989	414.71%
Valhi (VHI)	1987-1989	409.25%
Team (TISI)	1987-1989	407.77%
Wendy’s (WEN)	1987-1989	379.95%
Quanex Building Products (NX)	1987-1989	375.57%